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Fig. 2 | Journal of Medical Case Reports

Fig. 2

From: Adenosine induced ventricular fibrillation in a structurally normal heart: a case report

Fig. 2

a Resting electrocardiogram in sinus rhythm. b A four-wire electrophysiology study was conducted in our patient. Twelve milligrams of adenosine was administered resulting in progressive lengthening of the PR interval (surface electrocardiogram V2), and eventual atrioventricular block (red arrow) with non-conducted P waves. This excluded the presence of an anterograde conducting accessory pathway. HRA high right atrium, CS coronary sinus, HIS His and RV right ventricular apex catheters

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